材料分析作业模板新

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1、CharacterizationofThree-dimensionallyInterconnectedHierarchicalMeso/MesoporousEu3+dopedTitania班级：12级应用化学x班学生姓名：xxx学号：1255070x0xx得分：85以上（上年平均分）说明：我根据我的修改了一下，大家根据批注里面的内容修改一下，本模板紧做参考，大家最好也参照课件里龙安瑜师姐的作业，有一些地方可以加上自己的想法。杜绝抄袭，老师一经发现抄袭，本人不负一切责任。最后祝大家有一个好的成绩回去过年。CatalystPreparationEmployingasol-gelself-

2、assemblymethodtoprepareEu3+dopedTiO?(Eu3+/TiO2),titaniumtetrachloridewasusedasaninorganicsourceandcetyltrimethylammoniumbromidewasusedasthestructural-directingagent.A2.5612-geuropiumsesquioxidereactedwithsuitablenitricacidtoproduceanhydrouseuropiumnitrate,whichwasdissolvedinabsoluteethanoltofor

3、maeuropiumethoxidesolutionwithaconcentrationof0.2911mol-L"1.A8.00-mLT1CI4reactedwithabsoluteethanoltoproducetetraethyltitanatesolutionwithaconcentrationofTi4+was1.4557mol-L'1.A25.00-mLeuropiumethoxidesolutionanda50.00-mLtetraethyltitanateethanolsolutionweremixedtoformasolutionofwhichthemolarpro

4、portionofEu3+/Ti4+was1/10.Dissolved4.5gcetyltrimethylammoniumbromidein365mLdistilledwaterandmixeditwith5.00mLthickammoniainabeaker.Thetemplateagentsolutionwasprocessedfor15minutesusinganultrasonicwavewith40kHzfrequencyand1kWpowe匚Whilestirring,droppeddropwisetheorganicphasesolutionintotheaqueous

5、phasesolution,anddroppeddropwise55.00mLthickammoniaintothebeaker,untilpHvalueofsolutionreached9.22.Washedthewhiteprecipitatewithdistilledwaterandmethanolseveraltimes,respectively,ageditfor24hoursinairatambienttemperature,thentheas-synthesizedproductwasfinallycalcinedat500°Cfor2hinairtoremovethe

6、surfactantspecies,thecatalystEu"/TiC)2wasobtained.L2CatalystCharacterizationNanosizedstructureofthecatalystwasobservedwithaJEOLJEM-2010TEM.RamanspectroscopywasdetectedbyRenishaw2000usingAr+laserwithwavelengthof514.5nmandexcitationpowerof20mW.TheX-raypowderdiffractionmeasurementwascarriedoutonaR

7、igakuD/max-3AdiffractometerusingCuKaradiation.XPSspectrumwasrecordedbyESCALAB250usingX-rayofmonochromicMKasourcewith1486.6eVofenergy,15kVofvoltage,and150Wofpowe匸Nitrogenadsorption-desorptionisothermswerecollectedat77KusingMicromer